Today isn't JUST the day Heidi Pratt's scandalicious Playboy hits newsstands across the country. It's also her hubby Spencer Pratt's 26th birthday! And since everyone loves a celebration, we decided to pay tribute by remembering some of Spencer's all-time prattiest moments. Unbelievably, we've narrowed it down to our top 10. After all, who could forget the time he...